Installer 4 vs. CHMOD

hi
i write my repo
but if I try to install it, I get error

Code:

---

"Failed script commanf on line 2

Exec(/bin/chmod........)
"

---

What's the hell?

Code:

---

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
        <key>description</key>
        <string>By default, Apple enabled smiles keyboard only for Japan users. Let's fix it!</string>
        <key>identifier</key>
        <string>com.yurganov.test</string>
        <key>minOSRequired</key>
        <string>2.2</string>
        <key>name</key>
        <string>Test</string>
        <key>scripts</key>
        <dict>                <key>install</key>
                <array>
                        <array>
                                <string>CopyPath</string>
                                <string>chmod</string>
                                <string>/bin/chmod</string>
                        </array>
               
                <array>
                        <string>Exec</string>
                  <string>/bin/chmod 644 /System/Library/PrivateFrameworks/MobileInstallation.framework/MobileInstallation</string>
              </array>
          </array>

<key>uninstall</key>
                <array>
                               
                        <array>
                                <string>Exec</string>
                                <string>/bin/chmod 755 /System/Library/PrivateFrameworks/MobileInstallation.framework/MobileInstallation</string>
                        </array>
                </array>



        </dict>
        <key>version</key>
        <string>1.2</string>
        <key>minOSRequired</key>
        <string>2.0</string>
</dict>
</plist>

---